JP2010073674A - Connection terminal of inter-substrate connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connection terminal of an inter-substrate connector, having a contact part that nips a plug terminal from both sides into contact with the plug terminal. <P>SOLUTION: A plurality of connection terminals are provided on a receptacle connector 1, connected to the plug connector 2 having the plug terminal 21, and the connection terminal has a first arm part 30 led out of a side part of the receptacle body 10 connected to an outer substrate; and the contact part 36, nipping the plug terminal 21 from both the sides to be connected with the terminal, is juxtaposed and integrated with respect to the first arm part 30. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a connection terminal provided in a receptacle connector of an inter-board connector comprising a plug connector and a receptacle connector provided on two opposing boards, and in particular, a portion led out from the receptacle connector and a portion connected to the plug connector It is related with the connection terminal of the board-to-board connector which arranged in parallel.

  When two opposing substrates are stacked, an inter-board connector is used to make an electrical connection between the substrates. The board-to-board connector is composed of a plug connector provided on one board and a receptacle connector provided on the other board, and both are connected by inserting the plug connector into the receptacle connector.

The plug connector includes a plug body made of an insulating material and plug terminals held by the plug body. The receptacle connector includes a receptacle body made of an insulating material and contact terminals held by the receptacle body. A plurality of contact terminals are arranged in a row to form a terminal row, and a plurality of the terminal rows are arranged in parallel and held in the receptacle body. An example of such a board-to-board connector is described in Patent Document 1.
JP 2007-18993 A

  The contact terminals of the receptacle connector include a soldered portion that protrudes outward from the receptacle body and is soldered to the substrate, a convex portion that is formed in a convex shape according to the side shape of the receptacle body, and a plug terminal of the plug connector The contact portion that engages with and contacts with each other is arranged and formed in a straight line. For this reason, the contact part has taken the form which contacts the plug terminal of a plug connector from one side. However, since the contact is from one side, it has been difficult to stably contact the contact portion and the plug terminal.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a connection terminal of an inter-board connection connector having a contact portion that can be held in contact with both sides of a plug terminal.

In order to solve the above problems, the connection terminal of the inter-board connection connector according to the present invention is a connection terminal of the inter-board connection connector provided in a plurality of receptacle connectors connected to the plug connector having a plug terminal.
A first arm portion that is led out from a side portion of the receptacle body and connected to an external substrate is provided, and a contact portion that sandwiches and connects the plug terminal from both sides is arranged in parallel with the first arm portion. In addition, it is configured to be integrated.

  Further, the connection terminal of the board-to-board connector according to the present invention, the contact portion is formed on the second arm portion parallel to the first arm portion, and is arranged side by side with respect to the first arm portion, The first arm portion and the second arm portion are configured to be integrated through a connecting bar portion.

  Further, in the connection terminal of the inter-board connector according to the present invention, the contact portion is formed in an extending portion extending in a direction intersecting with the longitudinal direction of the first arm portion, so that the first arm portion is opposed to the first arm portion. It is configured to be arranged side by side.

  Furthermore, in the connection terminal of the inter-board connector according to the present invention, the contact portion includes a bent portion formed by bending a metal plate, and the bent portion is formed to have a symmetrical shape on both sides of the plug terminal. It is configured as a feature.

  In the connection terminal of the board-to-board connector according to the present invention, the first arm portion includes a soldering portion at one end portion that is led out from the side portion of the receptacle body, and is continuous from the soldering portion. An elongated flat plate portion is provided, and the flat plate portion is integrated with the contact portion in a direction perpendicular to the longitudinal direction, and a projecting portion constituting the other end portion of the first arm portion is provided with the contact portion. It is configured to protrude from the integrated position.

  According to the connection terminal of the board-to-board connector according to the present invention, the contact part that has the first arm part that is led out from the side part of the receptacle body and connected to the external board, and is sandwiched and connected from both sides The contact portion can be formed so as to be sandwiched from both sides of the plug terminal by being arranged side by side and integrated with the first arm portion, and the contact portion of the contact terminal and the plug terminal can be formed. A stable contact can be achieved.

  Further, according to the connection terminal of the inter-board connector according to the present invention, the contact portion is formed on the second arm portion parallel to the first arm portion, so that the first arm portion is arranged in parallel. Since the one arm portion and the second arm portion are integrated via the connecting bar portion, the contact portion can be arranged side by side with the first arm portion with a simple configuration.

  Furthermore, according to the connection terminal of the board-to-board connector according to the present invention, the contact portion is formed in the extending portion extending in the direction intersecting the longitudinal direction of the first arm portion, so that it is parallel to the first arm portion. By being arranged, the contact portion can be arranged side by side with the first arm portion with a simple configuration.

  Furthermore, according to the connection terminal of the inter-board connector according to the present invention, the contact portion includes a bent portion formed by bending a metal plate, and the bent portion is formed so as to have a symmetrical shape on both sides of the plug terminal. Thus, a bent portion having elasticity can be obtained by bending the metal plate, and the plug terminal is sandwiched from both sides by this bent portion, so that a strong connection can be made.

  According to the connection terminal of the inter-board connector according to the present invention, the first arm portion is provided with a soldering portion at one end portion led out from the side portion of the receptacle body, and is continuous and elongated from the soldering portion. The flat plate portion is integrated with the contact portion in a direction perpendicular to the longitudinal direction, and the protruding portion constituting the other end portion of the first arm portion is integrated with the contact portion. By projecting more, the projecting part side is cut at the time of insert molding, and it is not necessary to cut the soldering part. Therefore, it is not necessary to perform plating on the cut surface to improve the adhesiveness of solder. Thus, the manufacturing cost can be reduced by reducing the man-hours.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of an inter-board connector having a connection terminal according to the present embodiment. As shown in this figure, the inter-board connector is composed of a receptacle connector 1 attached to one board and a plug connector 2 attached to the other board. The two boards to which they are attached are arranged so as to face each other and are electrically connected via an inter-board connector.

  The receptacle connector 1 includes a receptacle body 10 made of an insulating material such as a resin material, and metal contact terminals 11 held by the receptacle body 10. The plug connector 2 includes a plug body 20 made of an insulating material such as a resin material, and a metal plug terminal 21 held by the plug body 20.

  In the receptacle connector 1, two space portions 14 are formed along the longitudinal direction, and a plurality of contact terminals 11 are arranged along each space portion 14. A plurality of contact terminals 11 form a row of terminals 12, and the receptacle body 10 has two terminal rows 12 arranged in parallel along each space 14. The plug connector 2 has an outer shape that substantially fits the inner peripheral surfaces of the two space portions 14 of the receptacle connector 1. When the plug connector 2 is inserted into the receptacle connector 1, the contact terminal 11, the plug terminal 21, Are in contact with each other.

  FIG. 2 shows an exploded perspective view of the receptacle connector 1. As shown in this figure, the receptacle body 10 is formed in a substantially box shape that is open upward, and two space portions 14 that are parallel to each other along the longitudinal direction are formed inside. The space portion 14 communicates with the end space portion 17 at both ends.

  Recessed partition walls 15 are formed on both side walls constituting the space 14. A pair of partition walls 15 is formed for each contact terminal 11 constituting the terminal row 12. The partition walls 15 on the side constituting the side surface of the receptacle body 10 are arranged so as to be spaced apart from each other with a predetermined interval in the longitudinal direction. And an inner wall portion 16 having a side surface recessed inward from the partition wall portion 15 is provided. On the other hand, the partition 15 on the side facing the side surface of the receptacle body 10 is formed so that the side facing the one space 14 and the side facing the other space 14 are staggered.

  The contact terminals 11 held by the receptacle body 10 are arranged in a row as described above to form a terminal row 12, and the set of terminal rows 12 are embedded in a molded part 13 made of a resin material and integrated. It has become. The mold part 13 is formed to have an outer shape substantially matching the inner peripheral surface of the space part 14 formed in the receptacle body 10, and the contact terminal 11 embedded by being inserted into the space part 14 is provided. The receptacle body 10 is arranged at a predetermined position.

  Next, the contact terminal 11 will be described. 3 is a perspective view of the contact terminal 11, and FIG. 4 is a plan view (FIG. 4 (a)) and a side view (FIG. 4 (b)) of the contact terminal 11. As shown in FIG. 3, in the contact terminal 11, the first arm portion 30 and the second arm portion 35 each having a thin plate shape are arranged in parallel, and both are integrated by a connection bar portion 37. It is configured.

  As shown in FIGS. 3 and 4A, the first arm portion 30 includes a soldering portion 31 that protrudes outward from the receptacle body 10 and an upper portion from the soldering portion 31 in order from the end on the front side in the drawing. And a flat plate portion 33 constituting the convex portion 32 and the end on the back side in the figure. As shown in FIG. 3 and FIG. 4B, the second arm portion 35 has contact portions 36 that are formed in a substantially inverted U shape at both ends. As shown in FIG. 3 and FIG. 4A, the connecting bar portion 37 is provided so as to connect a substantially central position of the flat plate portion 33 constituting the first arm portion 30 and a substantially central position of the second arm portion 35. It has been.

  The convex part 32 of the 1st arm part 30 has a shape in alignment with the inner wall part 16 of the receptacle main body 10, as shown in FIG. That is, the contact terminal 11 has a shape in which the convex portion 32 gets over the inner wall portion 16 so that the soldering portion 31 is exposed to the outside of the receptacle body 10.

  As shown in FIG. 4B, one of the convex part 32 of the first arm part 30 and the contact part 36 of the second arm part 35 has an overlapping part in a side view of the figure. In FIG. 4B, the side view in the figure corresponds to the direction in which the terminal rows 12 are arranged in parallel. That is, the first arm portion 30 and the second arm portion 35 are arranged so that one of the convex portion 32 and the contact portion 36 has a portion that overlaps in the direction in which the terminal rows 12 are arranged in parallel.

  As described above, by arranging the first arm portion 30 and the second arm portion 35 in parallel and integrating them via the connecting bar portion 37, one of the convex portion 32 and the contact portion 36 is connected to the terminal array. It can arrange | position so that 12 may overlap in the direction arrange | positioned in parallel. Accordingly, even if the contact portion 36 is arranged so as to be close to the side wall side of the receptacle body 10, it does not interfere with the convex portion 32, and thus the contact terminals 11 are shortened in the direction in which the terminal rows 12 are arranged in parallel. be able to.

  FIG. 5 shows a plan view of the receptacle connector 1. As shown in this figure, the first arm portion 30 and the second arm portion 35 of the contact terminal 11 are alternately arranged along the space portion 14 of the receptacle body 10. The first arm portion 30 is embedded in the mold portion 13 near the center of the flat plate portion 33, and the second arm portion 35 is embedded in the mold portion 13 except for the contact portion 36.

  The end portion of the first arm portion 30 opposite to the soldering portion 31 is constituted by the flat plate portion 33 as described above. The connecting bar part 37 is provided continuously from the substantially central position of the flat plate part 33, and the flat plate part 33 on the end side of the connecting bar part 37 is a protruding part protruding from the mold part 13 as shown in FIG. 34. This portion is formed by separating the contact terminal 11 integrally formed on the terminal forming plate from the terminal forming plate when the contact terminal 11 and the mold portion 13 are integrally formed.

  In FIG. 6, the perspective view which insert-molded the mold part 13 using the terminal formation board 40 is shown. As shown in this figure, the terminal forming plate 40 is formed by forming the contact terminal 11 at the tip of a crosspiece 42 extending from one side of the plate-like portion 41, and when forming the mold portion 13, the terminal forming plate 40 The contact terminal 11 is placed in the mold while being connected to 40, and insert molding is performed. After molding the mold part 13, each contact terminal 11 is separated from the crosspiece part 42 to complete a member in which the terminal row 12 and the mold part 13 are integrated.

  Here, since the contact terminal 11 includes the first arm portion 30 and the second arm portion 35, the crosspiece portion 42 side cut at the first arm portion 30 is the protruding portion 34 side that does not directly function as a terminal. The end on the soldering portion 31 side is not cut. The soldering portion 31 is plated in order to improve the adhesiveness of the solder. However, when cutting the soldering portion 31 side, it is necessary to perform plating again on the cut surface after cutting, and the number of man-hours Was supposed to increase. In this embodiment, since the soldering part 31 side is not cut, it is not necessary to perform plating again, and the number of steps can be reduced and the cost can be reduced.

  Next, the plug connector 2 will be described. FIG. 7 shows a perspective view of the plug connector 2. FIG. 7 is a view as seen from the side where the plug connector 2 is connected to the receptacle connector 1. The plug connector 2 has an outer shape that substantially matches the inner peripheral shape of the receptacle connector 1, and two groove insertion portions 22 that are respectively inserted into the two space portions 14 of the receptacle connector 1 are formed in parallel. Yes. The plug terminal 21 is exposed in the groove insertion portion 22 along the longitudinal direction so as to come into contact with the contact terminal 11 of the receptacle connector 1. The other end of the plug terminal 21 is exposed from the surface opposite to the groove insertion portion 22 and is soldered to the substrate.

  FIG. 8 is a perspective view showing a state in which the plug connector 2 is inserted into the receptacle connector 1. As shown in this figure, most of the plug connector 2 is inserted into the receptacle connector 1 except for the portion near the surface soldered to the substrate. In this state, the plug terminals 21 come into contact with the contact terminals 11 and become conductive.

  FIG. 9 shows an enlarged cross-sectional view of a terminal portion in a state where the plug connector 2 is inserted into the receptacle connector 1. As shown in this figure, the contact terminal 11 of the receptacle connector 1 and the plug terminal 21 of the plug connector 2 are in contact with each other in the space 14 of the receptacle connector 1. The contact portion 36 of the contact terminal 11 has elasticity in the longitudinal direction of the second arm portion 35 because both end portions of the second arm portion 35 are formed in a substantially inverted U shape. The plug terminal 21 of the plug connector 2 is inserted between the contact portions 36 of the contact terminal 11, and accordingly, the contact portions 36 are pressed to both sides of the second arm portion 35. The contact portions 36 are shown in FIG. It is elastically deformed as shown. Thereby, reliable contact is made between the contact terminal 11 and the plug terminal 21.

  Further, when the plug connector 2 is inserted into the receptacle connector 1, it is not necessary to separate the plug connector 2 thereafter, so that the plug connector 2 is prevented from being detached from the receptacle connector 1. As shown in FIG. 1, the plug main body 20 is formed with engaging portions 20 a protruding in a hook shape laterally between plug terminals 21 exposed so as to come into contact with the contact terminals 11. On the other hand, a structure that can be engaged with the engaging portion 20a is formed on the receptacle body 10 side.

  FIG. 10 shows an enlarged cross-sectional view of a portion between terminals in a state where the plug connector 2 is inserted into the receptacle connector 1. As shown in this figure, the partition wall portion 15 constituting the receptacle body 10 has a hook-like engaged portion 15 a on the side wall constituting the space portion 14. The engaging portion 20 a of the plug connector 2 is inserted into the receptacle connector 1 to engage with the engaged portion 15 a, thereby preventing the plug connector 2 from coming out of the receptacle connector 1.

  In this way, the contact terminals 11 constitute a terminal row 12, and since the terminal rows 12 are arranged in parallel along the length direction of the contact terminals 11, the soldering portion to the contact portion is different from the conventional contact terminals. If it is formed in a straight line, the receptacle connector may become large in the row direction of the terminal row and may not be properly disposed on the substrate. For this reason, the board-to-board connector according to the present embodiment includes a plug connector 2 having a plug body 20 made of an insulating material, a plug terminal 21 held by the plug body 20, and a receptacle body 10 made of an insulating material. In the inter-board connector comprising the receptacle connector 1 having the contact terminal 11 held by the receptacle body 10 and connected to the plug terminal 21, the receptacle body 10 has a plurality of contact terminals 11 arranged in a row. Two or more rows 12 are arranged in parallel, and the contact terminal 11 includes a first arm portion 30 having a soldering portion 31 protruding from the receptacle body 10 and a second portion having a contact portion 36 connected to the plug terminal 21. The arm portion 35 is juxtaposed in a direction orthogonal to the direction in which the terminal rows 12 are arranged in parallel, and the connecting bar portion 37. Since the contact terminals 11 consist of two rows, the length in the direction in which the terminal rows 12 are arranged in parallel can be shortened, and the shape of the connector can be reduced in the length direction. Therefore, the space efficiency on the substrate can be improved, which can contribute to the downsizing of the entire device.

  In addition, the receptacle body 10 is formed with space portions 14 for accommodating the contact terminals 11 along the direction in which the terminal rows 12 extend, and the side walls of the space portions 14 surround the second arm portions 35 of the respective contact terminals 11. An inner wall portion 16 is provided between the partition wall portions 15 constituting the side surface of the receptacle body 10 in the partition wall portion 15 and disposed on the inner side of the soldering portion 31 of the first arm portion 30. A convex part 32 is formed on the inner side of the soldering part 31 of the first arm part 30 along the shape of the inner wall part 16, and the convex part 32 and the contact part 36 overlap in the direction in which the terminal rows 12 are arranged in parallel. By arrange | positioning so that it may have a part, the length of the direction where the terminal row | line | column 12 of the contact terminal 11 is arranged in parallel can be shortened, without making the contact part 36 and the convex-shaped part 32 interfere.

  Further, the contact portion 36 is provided on both sides of the second arm portion 35 so as to be engageable with the plug terminal 21, and the contact portion 36 is disposed in the partition wall portion 15, whereby the contact portion 36 causes the plug terminal 21 to be engaged. Therefore, the contact terminal 11 and the plug terminal 21 can be reliably connected to each other.

  Furthermore, the terminal row 12 is formed by integrating a plurality of contact terminals 11 by a mold part 13 that substantially conforms to the inner peripheral shape of the space part 14, and the mold part 13 is accommodated in the space part 14, so that each contact terminal 11 is arranged at a predetermined position of the receptacle body 10, so that the terminal row 12 can be easily formed by insert molding, and the contact terminal 11 can be attached to the receptacle body 10 only by placing the mold portion 13 in the space portion 14. As a result, manufacturing can be facilitated.

  The first arm portion 30 includes a soldering portion 31 at one end, a convex portion 32 inside the soldering portion 31, and an elongated flat plate portion 33 inside the convex portion 32. A connecting bar portion 37 is formed continuously from the portion 33, and a protruding portion 34 constituting the other end portion of the first arm portion 30 protrudes from the mold portion 13, so that the protruding portion is formed during insert molding. Since the side 34 is cut and there is no need to cut the soldering portion 31, it is not necessary to perform plating on the cut surface to improve the adhesiveness of the solder, thereby reducing the number of steps and reducing the manufacturing cost. it can.

  Further, the portion of the partition wall 15 that constitutes the side surface of the receptacle body 10 includes a hook-like engaged portion 15 a on the side wall that constitutes the space portion 14, and the plug body 20 has the plug terminal 21 in contact with the contact terminal 11. The plug connector 2 can be prevented from being detached from the receptacle connector 1 by providing the side surface with the engaging portion 20a that engages with the engaged portion 15a of the receptacle body 10 in the state.

  Next, a second embodiment will be described. In FIG. 11, the perspective view of the receptacle connector 1 in this embodiment is shown. As shown in this figure, in this embodiment, the receptacle connector 1 is provided with three rows of space portions 14, and the terminal row 12 is arranged in each of them. Of these three terminal rows 12, the configuration of the terminal row 12 at both ends and the receptacle body 10 that houses the terminal row 12 are the same as those in the first embodiment, and a description thereof will be omitted.

  As shown in FIG. 11, partition portions 15 are formed on both side walls of the space portion 14 formed in the center portion of the receptacle body 10, and the contact portions 36 of the contact terminals 11 are accommodated in the partition portions 15. Since the central space portion 14 has both side portions adjacent to the space portion 14, the contact terminals 11 accommodated therein are taken out of the receptacle body 10 in the same structure as the contact terminals 11 on both side portions. I can't. For this reason, the contact terminal 11 is inserted into the lower surface of the receptacle body 10.

  FIG. 12 shows an exploded perspective view seen from the lower surface side of the receptacle connector 1. In this figure, the terminal rows 12 housed on both sides of the receptacle body 10 are omitted. As shown in FIG. 12, the space portion 14 formed in the central portion of the receptacle body 10 is open on the lower surface side, and the mold portion 13 holding the terminal row 12 can be inserted from the lower surface side of the receptacle body 10. It has been made possible.

  The contact terminal 11 constituting the central terminal row 12 has one end portion of the first arm portion 30 extending substantially linearly, and the contact terminal 11 constituting the central terminal row 12 is formed on the lower surface of the receptacle body 10. The center terminal insertion portion 18 for accommodating the first arm portion 30 is formed in a concave shape. By placing the mold part 13 in the central space part 14, the soldering part 31 serving as an end of the first arm part 30 is exposed to the outside of the receptacle body 10 through the central terminal insertion part 18.

  FIG. 13 is a perspective view showing a state in which the plug connector 2 is inserted into the receptacle connector 1 in the present embodiment. The plug connector 2 is formed by arranging three rows of plug terminals 21 in parallel with the receptacle connector 1 having three rows of terminals 12, and the plug connector 2 is connected to the receptacle connector 1. Thus, each plug terminal 21 is brought into contact with and brought into contact with the contact terminal 11.

  Further, a cross-sectional view in this state is shown in FIG. As shown in this figure, also in this embodiment, the partition wall portion 15 constituting the receptacle body 10 has a hook-like engaged portion 15 a on the side wall constituting the space portion 14, and is formed on the side surface of the plug body 20. The plug connector 2 is prevented from being detached from the receptacle connector 1 by the engagement of the formed engaging portion 20a.

  Next, a third embodiment will be described. In the present embodiment, only the contact terminal 11 will be described. FIG. 15 is a perspective view of the contact terminal 11 in the present embodiment. As shown in this figure, the contact terminal 11 of the present embodiment is formed by arranging the first arm portion 30 and the second arm portion 35 in parallel so that they are parallel to each other, and being integrated by a connecting bar portion 37. Are the same as those in the first and second embodiments. On the other hand, the contact terminal 11 of this embodiment does not have the convex part 32 in the first arm part 30, and the first arm part 30 has the soldering part 31 at one end part, and the soldering part Between 31 and the protrusion part 34, it consists of the elongate linear flat plate part 33. As shown in FIG.

  The 2nd arm part 35 has the structure substantially the same as 1st Embodiment and 2nd Embodiment. In other words, each end portion has a contact portion 36 formed of a bent portion 36a formed by being bent in a substantially inverted U shape, and is integrated with the connecting bar portion 37 at the center portion. The bent portions 36a are formed so as to be opposed to each other and have a symmetrical shape with the central portion of the second arm portion 35 as the center. The bent portion 36a is formed in a substantially inverted U shape on both sides of the second arm portion 35 so that the contact portion 36 can hold the plug terminal 21 from both sides, so that the connection with the plug terminal 21 is ensured. Can be made. Further, the reason why the contact portion 36 can be configured in this way is that the contact portion 36 is arranged in parallel with the first arm portion 30.

  Since the first arm portion 30 is formed in a substantially flat plate shape, in the inter-board connector using the contact terminal 11 of the present embodiment, the first arm portion 30 is led out from the lower surface side of the receptacle body 10 to the outside. It will have the composition which is done. For this reason, the insertion part which accommodates the 1st arm part 30 is formed in concave shape in the lower surface of the receptacle main body 10, and the soldering part 31 used as an edge part is the receptacle main body 10 through the insertion part. Exposed outside.

  Next, a fourth embodiment will be described. In the present embodiment, only the contact terminal 11 will be described. In FIG. 16, the perspective view of the contact terminal 11 in this embodiment is shown. As shown in this figure, the contact terminal 11 of this embodiment is the same as that of the third embodiment in that the first arm portion 30 is formed in a substantially linear shape except for the soldering portion 31. On the other hand, in the contact terminal 11 of the present embodiment, two extending portions 38 extend from the first arm portion 30 in a direction crossing the longitudinal direction, and bent portions 36a are formed in the extending portions 38, respectively. The contact portion 36 connected to the plug terminal 21 is formed.

  Each bent portion 36a constituting the contact portion 36 rises from the two extending portions 38 and is formed to have a substantially S shape, and is in contact with each other in the vicinity of the distal end portion. As a result, the spring property is stronger than in the case of the inverted U shape as in the third embodiment, and the plug terminal 21 can be clamped and fixed from both sides more firmly. Also in this embodiment, an inverted U-shaped shape may be adopted for the contact portion 36 as in the third embodiment.

  As described above, the contact portion 36 is not the second arm portion 35 but formed in two extending portions 38 formed in the direction intersecting with the longitudinal direction of the first arm portion 30. It can be arranged side by side with the one arm portion 30 and integrated. In the present embodiment, the extending portion 38 may extend in a direction intersecting with the first arm portion 30 so that the contact portion 36 is arranged in parallel with the first arm portion 30. It does not restrict to what extends in the direction orthogonal to.

  Next, a fifth embodiment will be described. In the present embodiment, only the contact terminal 11 will be described. In FIG. 17, the perspective view of the contact terminal 11 in this embodiment is shown. 17A shows the state of the contact terminal 11 alone, and FIG. 17B shows the state where the contact terminal 11 and the plug terminal 21 are connected.

  As shown in FIG. 17A, the contact terminal 11 includes a first arm portion 30 and a second arm portion 35 arranged so as to be parallel to each other, and a soldering portion 31 is provided on the first arm portion 30. And a flat plate portion 33, a contact portion 36 is provided on the second arm portion 35, and the first arm portion 30 and the second arm portion 35 are integrated by a connecting bar portion 37.

  The contact portion 36 formed on the second arm portion 35 is configured by a set of bent portions 36 a formed at both ends of the second arm portion 35. One bent portion 36a rises from a position near the connecting bar portion 37 and is formed to have a substantially inverted U shape, and the other bent portion 36a extends to a position away from the connecting bar portion 37. It is bent so as to be folded back from the end portion of the portion 35, and is formed in a straight line extending substantially parallel to the second arm portion 35 to the position of the connecting bar portion 37. The two bent portions 36a face each other and are separated from each other by a distance that allows the plug terminal 21 to be inserted.

  As shown in FIG. 17B, when the plug terminal 21 is connected to the contact portion 36 composed of the two bent portions 36a, the connection bar portion 37 is formed by the contact portion 21a of the plug terminal 21 having a substantially V shape. The distal end portion of the bent portion 36a bent at a position away from is elastically deformed and pushed down. For this reason, when the plug terminal 21 is connected to the contact terminal 11, a larger force is required. Since the plug terminal 21 receives the elastic force of the contact terminal 11 that opposes the insertion force, the contact terminal 11 and the plug terminal 21 are connected with a larger contact pressure than in the first to fourth embodiments. It will be. Thus, in this embodiment, although the contact part 36 is formed in the left-right asymmetry, both can be connected more firmly and reliable conduction | electrical_connection can be made.

  Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea.

It is a perspective view of the board-to-board connector in the first embodiment. It is a disassembled perspective view of a receptacle connector. It is a perspective view of a contact terminal. It is the top view and side view of a contact terminal. It is a top view of a receptacle connector. It is the perspective view which insert-molded the mold part using the terminal formation board. It is a perspective view of a plug connector. It is a perspective view in the state where a plug connector was inserted in a receptacle connector. It is an expanded sectional view of the terminal part in the state where the plug connector was inserted in the receptacle connector. It is an expanded sectional view of the part between terminals in the state where the plug connector was inserted in the receptacle connector. It is a perspective view of the receptacle connector in a 2nd embodiment. It is the disassembled perspective view seen from the lower surface side of the receptacle connector. It is a perspective view in the state where a plug connector was inserted in a receptacle connector. It is sectional drawing of the state which inserted the plug connector in the receptacle connector. It is a perspective view of the contact terminal in a 3rd embodiment. It is a perspective view of the contact terminal in a 4th embodiment. It is a perspective view of the contact terminal in a 5th embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Receptacle connector 2 Plug connector 10 Receptacle main body 11 Contact terminal 12 Terminal row 13 Mold part 14 Space part 15 Partition part 15a Engagement part 16 Inner side wall part 17 End part space part 18 Central terminal insertion part 20 Plug main body 20a Engagement part DESCRIPTION OF SYMBOLS 21 Plug terminal 22 Groove insertion part 30 1st arm part 31 Soldering part 32 Convex-shaped part 33 Flat plate part 34 Projection part 35 2nd arm part 36 Contact part 37 Connection crosspiece part

Claims (5)

In the connection terminal of the inter-board connection connector provided in the receptacle connector connected to the plug connector having the plug terminal,
A first arm portion that is led out from a side portion of the receptacle body and connected to an external substrate is provided, and a contact portion that sandwiches and connects the plug terminal from both sides is arranged in parallel with the first arm portion. And a connection terminal of the inter-board connector, wherein the connection terminal is integrated.   The contact portion is formed on a second arm portion parallel to the first arm portion, and is arranged in parallel to the first arm portion, and the first arm portion and the second arm portion are connected to a connecting bar portion. The connection terminal of the inter-board connector according to claim 1, wherein the connection terminals are integrated with each other.   2. The contact portion according to claim 1, wherein the contact portion is formed in an extending portion extending in a direction intersecting with a longitudinal direction of the first arm portion, and is arranged in parallel with the first arm portion. Connection terminal for board-to-board connector.   The contact portion includes a bent portion formed by bending a metal plate, and the bent portion is formed to have a symmetrical shape on both sides of the plug terminal. The connection terminal of the board-to-board connector described in the paragraph   The first arm portion includes a soldering portion at one end portion led out from the side portion of the receptacle main body, and an elongated flat plate portion continuous from the soldering portion, and the flat plate portion has a longitudinal direction. The contact portion is integrated in a direction orthogonal to the first portion, and a protruding portion constituting the other end portion of the first arm portion protrudes from a position where the contact portion is integrated. Item 5. A connection terminal of the inter-board connector according to any one of Items 1 to 4.

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